-7=-d+9/2

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Solution for -7=-d+9/2 equation:



-7=-d+9/2
We move all terms to the left:
-7-(-d+9/2)=0
We add all the numbers together, and all the variables
-(-1d+9/2)-7=0
We get rid of parentheses
1d-7-9/2=0
We multiply all the terms by the denominator
1d*2-9-7*2=0
We add all the numbers together, and all the variables
1d*2-23=0
Wy multiply elements
2d-23=0
We move all terms containing d to the left, all other terms to the right
2d=23
d=23/2
d=11+1/2

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